#sec0 {
    position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 100;
    width: 100%;
}

#sec1 {
    position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 100;
    width: 100%;
}
#sec2 {
    position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 200;
    width: 100%;
}
#sec3 {
	position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 300;
    width: 100%;
}
#sec4 {
    position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 400;
    width: 100%;
}
#sec5 {
    position: absolute; 
    text-align: center;
    top: 330px;
    visibility:hidden; 
    z-index: 500;
    width: 100%;
}